I have unclear how the ppu does to render at low level the AT bytes. Im little confused, 2C02 ref says that (correct me if im wrong):

- Every 8 pixel obtanains the AT byte
- The pallete select data is selected through a 2-bit 1-of-4 selector (can somebody explain me this?)
- Then the Data (taked from the selector?) feed 2 - 8 bit shift registers that i dont know if they shift left or right.
- The 4 bit pixel data is taken from the 2 16 bit shift registers (PT) and from 2 - 8 bit registers (AT).
- Finally the 4 bit value goes to the multiplexer.

I could get to work pt behavor (low 2 bits of pixel), but AT i get stuck.

no, with my old engine, but yes with my new one.
Anyway installing linux and playing with partitions made me lost my new, and the most recent buckup i had stored the old one.
so, i have to do it again. But thanks for the help.

Has the cost of floppy disks/CD-Rs/hard drives/online disk storage gone way up recently? I regularly read about people losing source code, but I doubt anyone here writes enough source code in a year to fill up even one package of 1.44MB floppy disks.

Do you store your offsite backups in a bank's safe deposit box or a comparably secure location?

Onsite backups protect data from hardware failures, viruses, user error. Offite backups protect from fire and theft. Safe-deposit-box offsite backups protect from malicious parties. Personally, fire is the most I am willing to protect my data from (a copy or two at parents/grandparents house is sufficient). If someone's determined to destroy my data, there's not much I can do.

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